srtm.py/test.py at master · GeospatialPython/srtm.py · GitHub

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# -*- coding: utf-8 -*-

# Copyright 2013 Tomo Krajina
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""
Run all tests with:
 $ python -m unittest test
"""

importpdb

importloggingasmod_logging
importunittestasmod_unittest
importsrtmasmod_srtm

mod_logging.basicConfig(level=mod_logging.DEBUG,
format='%(asctime)s %(name)-12s %(levelname)-8s %(message)s')

classTests(mod_unittest.TestCase):

deftest_random_points(self):
geo_elevation_data=mod_srtm.get_data()
self.assertEqual(63, geo_elevation_data.get_elevation(46., 13.))
self.assertEqual(2714, geo_elevation_data.get_elevation(46.999999, 13.))
self.assertEqual(1643, geo_elevation_data.get_elevation(46.999999, 13.999999))
self.assertEqual(553, geo_elevation_data.get_elevation(46., 13.999999))
self.assertEqual(203, geo_elevation_data.get_elevation(45.2732, 13.7139))
self.assertEqual(460, geo_elevation_data.get_elevation(45.287, 13.905))

deftest_around_zero_longitude(self):
geo_elevation_data=mod_srtm.get_data()
self.assertEqual(61, geo_elevation_data.get_elevation(51.2, 0.0))
self.assertEqual(100, geo_elevation_data.get_elevation(51.2, -0.1))
self.assertEqual(59, geo_elevation_data.get_elevation(51.2, 0.1))

deftest_around_zero_latitude(self):
geo_elevation_data=mod_srtm.get_data()
self.assertEqual(393, geo_elevation_data.get_elevation(0, 15))
self.assertEqual(423, geo_elevation_data.get_elevation(-0.1, 15))
self.assertEqual(381, geo_elevation_data.get_elevation(0.1, 15))

deftest_point_with_invalid_elevation(self):
geo_elevation_data=mod_srtm.get_data()
self.assertEqual(None, geo_elevation_data.get_elevation(47.0, 13.07))

deftest_point_without_file(self):
geo_elevation_data=mod_srtm.get_data()
print((geo_elevation_data.get_elevation(0, 0)))

deftest_files_equality(self):
geo_elevation_data=mod_srtm.get_data()
self.assertEqual(geo_elevation_data.get_file(47.0, 13.99),
geo_elevation_data.get_file(47.0, 13.0))
self.assertEqual(geo_elevation_data.get_file(47.99, 13.99),
geo_elevation_data.get_file(47.0, 13.0))

self.assertEqual(geo_elevation_data.get_file(-47.0, 13.99),
geo_elevation_data.get_file(-47.0, 13.0))
self.assertEqual(geo_elevation_data.get_file(-47.99, 13.99),
geo_elevation_data.get_file(-47.0, 13.0))

self.assertEqual(geo_elevation_data.get_file(-47.0, -13.99),
geo_elevation_data.get_file(-47.0, -13.0))
self.assertEqual(geo_elevation_data.get_file(-47.99, -13.99),
geo_elevation_data.get_file(-47.0, -13.0))

self.assertEqual(geo_elevation_data.get_file(47.0, -13.99),
geo_elevation_data.get_file(47.0, -13.0))
self.assertEqual(geo_elevation_data.get_file(47.99, -13.99),
geo_elevation_data.get_file(47.0, -13.0))

deftest_invalit_coordinates_for_file(self):
geo_elevation_data=mod_srtm.get_data()
geo_file=geo_elevation_data.get_file(47.0, 13.99)

try:
self.assertFalse(geo_file.get_elevation(1, 1))
exceptExceptionase:
message=str(e)
self.assertEqual('Invalid latitude 1 for file N47E013.hgt', message)

try:
self.assertFalse(geo_file.get_elevation(47, 1))
exceptExceptionase:
message=str(e)
self.assertEqual('Invalid longitude 1 for file N47E013.hgt', message)

deftest_invalid_file(self):
geo_elevation_data=mod_srtm.get_data()
geo_file=geo_elevation_data.get_file(-47.0, -13.99)
self.assertEqual(None, geo_file)

deftest_coordinates_in_file(self):
geo_elevation_data=mod_srtm.get_data()
geo_file=geo_elevation_data.get_file(47.0, 13.99)

print(('file:', geo_file))

self.assertEqual(geo_file.get_elevation(47, 13),
geo_file.get_elevation(47, 13))

deftest_without_approximation(self):
geo_elevation_data=mod_srtm.get_data()

self.assertEqual(geo_elevation_data.get_elevation(47.1, 13.1, approximate=False),
geo_elevation_data.get_elevation(47.1, 13.1))

# SRTM elevations are always integers:
elevation=geo_elevation_data.get_elevation(47.1, 13.1)
self.assertTrue(int(elevation) ==elevation)

deftest_with_approximation(self):
geo_elevation_data=mod_srtm.get_data()

self.assertNotEqual(geo_elevation_data.get_elevation(47.1, 13.1, approximate=True),
geo_elevation_data.get_elevation(47.1, 13.1))

# When approximating a random point, it probably won't be a integer:
elevation=geo_elevation_data.get_elevation(47.1, 13.1, approximate=True)
self.assertTrue(int(elevation) !=elevation)

deftest_approximation(self):
# TODO(TK) Better tests for approximation here:
geo_elevation_data=mod_srtm.get_data()
elevation_without_approximation=geo_elevation_data.get_elevation(47, 13)
elevation_with_approximation=geo_elevation_data.get_elevation(47, 13, approximate=True)

print(elevation_without_approximation)
print(elevation_with_approximation)

self.assertNotEqual(elevation_with_approximation, elevation_without_approximation)
self.assertTrue(abs(elevation_with_approximation-elevation_without_approximation) <30)